I am trying to execute a binary executable file inside C code without using system since it has security and resource management issues. The system used here is Debian Buster with kernel 5.4.0-2-amd64 and gcc 9.2.1. I used the method in this question: execute binary machine code from C which is to convert exe…
Tag: binary
Convert Binary Strings (ASCII) to Binary File
I have several large files (3-6 Gb) of 1’s and 0’s characters in ASCII and I would like to convert it to a simply binary file. Newlines are not important and should be discarded. test.bin below is 568 bytes, I would like the 560 bit file. I’ve found several solutions going the other way, con…
Read binary file,cannot execute binary file: Exec format error
My code When I compile with gcc gcc -c n1.c -o n1 and try to run it I got File m_6 and n1.c were executed on the same machine. How to solve this? Answer gcc -c compiles source files without linking. Cancel -c from from command.
How to clean a data file from binary junk?
I have this data file, which is supposed to be a normal ASCII file. However, it has some junk in the end of the first line. It only shows when I look at it with vi or less –> grep is also saying that it’s a binary file: Binary file data.dat matches This is causing some trouble in my parsing
How to tell binary from text files in linux
The linux file command does a very good job in recognising file types and gives very fine-grained results. The diff tool is able to tell binary files from text files, producing a different output. Is there a way to tell binary files form text files? All I want is a yes/no answer whether a given file is binary…
How to build the same Linux Kernel twice sources and get the same checksum
I’m searching if it’s possible to build the same Linux Kerneltwice (same sources, same environment, same options, same compiler) and get the same checksum. Anybody knows how to do so? Answer The date of build is included in the version, see init version.c : and UTS_VERSION is defined in include/li…